Soil cleaner



March 1-5, 1938. c. s. MAYFIELD 211G397 SOIL CLEANER Filed March 25,1936 2 Sheets-Sheet l March 15, 1938. c. s. MAYFIELD SOIL CLEANER FiledMarch 25, 1956 2 Sheets-Sheet 2 Patented Mar. 15, 1938 PTENT OFFICE SOILCLEANER Clement Shelton Mayfielcl, Medina, Tex.

Application March 25, 1936, Serial No. 70,812

1 Claim. (01. 97-40) The invention relates to a farming implement byboxing and bearings on bottom of shaker and for cleaning the soil; andthe object of the inswinging arms 5|, to each side of frame 4, withvention is to clean the soil (after the land is a changeable bottomwhich has different size broken and harrowed) of Johnson grass roots,holes for sifting the soil.

5 Bermuda grass, cocklebur seed, rocks and all The drive shaft 23, isattached to each side of 5 small trash by scooping the soil up andsifting it. frame 4, by boxing and bearings 24, and operated One form ofthe invention is illustrated in the by sliding gear 28, which slides onsquare end of accompanying drawings, in which Figure l is a shaft 23,and meshes with drive gear 39.

UNITED STA view of the machine in perspective; Figure 2, in The slidinggear 28, (see Fig. 6) with 0011 spring 10 side elevation and partialsection; Figures 3 to and yoke 29, is operated by gear lever 25, tothrow 10 10, inclusive, show details. the machine in and out of gear.

The front trucks consist of guide pole, wheels The gear lever 25, isattached to top of frame and axle shaft with an upright shaft secured to4 by bolt and coil spring 26, and kept in position center of axle shaftprojecting up through boxby pin 21, which is secured to frame 4. a ingsleeve in cross bar on front of frame 4. The drive gear 30, whichoperates the machine 1:)

Hitching plate 2 is secured to front of frame is secured to the spokeson drive wheel 3|. 4, for pull chain or doubletree. The lugs 49, (seeFig. 8) are attached to drive The lever and ratchet 3 are secured to thewheel 3! to keep the wheel from sliding in loose side of frame 4, withrod attached to top of upsoil. right shaft on front trucks controllingthe depth The axle 32, is secured to each side of frame 4 20 of themachine in the soil. by U bolts 33 (only one shown).

The frame 4 consists of a beam on each side Sprocket chain 34, operatestrash conveyer with cross bars on front of frame and over discs from theinside sprocket of the double sprocket 6, and back of rear axle 32.wheel ii on drive shaft 23, to sprocket-wheel Discs 6, in multiples oftwo (four in the present 35, onv conveyer shaft. 25 instance) areattached to cross bar on frame 4, The trash conveyer consists of crossbraces 48,

and set in position with clamp 5, to turn the soil with side beams 36,secured on each side to the on to the front of carrier blade I, and byrolling end of frame 4 with tie rods 43, secured to top of raise thefront of the blade over stumps or large beams 36, and attached to frame4 in front of rocks. I operators seat 9, with canvas 39, and carrying 30The dirt carrier 8, is on a frame attached to a cups 48, attached tosprocket chains 38, which combination hanger plate and carrier blade I,operate from sprocket-wheels on conveyer shaft which is secured to eachside of frame 4, and conwith sprocket-wheel 35, and around roller 4| atnected (connections not shown.) by sheet iron top of conveyer, and kepttight and in position M, to upright plates 13, (see Fig. 2) withsprocket by idle-wheels 37 and 42, (partly shown) secured chains l2,operating from sprocket-wheels on carto each side of beams 36. riershaft I3A in upright plates I3, and sp-rocket- The dump box 45, issecured to each side of wheels ll, (only one shown) with canvas l5, andbeams 36, with brace plates 44, with door on carrier cups I6, attachedto each sprocket chain back of box and hinged on bottom (not shown) 40I2, which is kept tight by adjustable idle-wheels letting the door dropdown, which serves as a it), (only one shown) which are on brace armschute to wagon bed.

secured to each side of frame 4. The latch 46, (only one side shown)fastens Operators seat 9, is secured to each side of the door, and issecured to each end of rod 41, frame 4, with brace arms. which serves asa tie rod.

Sprocket-wheel 11, (see Fig. 9) operates car- I claim: 45

rier shaft |3A on upright plates l3, from the In a machine for cleaningsod and soil of obm ll sprocket y sprocket chain 9, to large jectionablematerial, a vehicle having a frame sprocket-wheel on drive shaft 23. andmeans for traveling over said sod, said frame The large sprocket onsprocket-Wheel T, on carrying one or more pairs of disks mountedvercarri r haft |3A 0n upright plate p t s tically and obliquely withrespect to the direction 50 shaker 22, by sprocket chain l8, to sprocketof said traveling, said disks adapted to cut and wheel IS, on shakershaft 20, which is. Secured inwardly throw said sod, a scoop attached tosaid to each side of frame 4, y bo and be frame rearward of said disks,an endless carrier ings 2|. with cups rearward of said scoop and mountedThe shaker 22, is attached to shaker shaft 20, on said frame, said scoopadapted to pass be- 55 of said conveyer, whereby the carrier deliverssaid soil and sod to said shaker which sifts the soil back to the groundand transfers the objectionable material to the conveyer, which conveyerconveys said material to the dump box.

CLEMENT SHELTON MAYFIELD.

